singleTest.cs

using System;
    using OpenQA.Selenium;
    using static System.Environment;
    using OpenQA.Selenium.Safari;
    using OpenQA.Selenium.Chrome;
    using OpenQA.Selenium.Edge;
    using OpenQA.Selenium.Firefox;
    using OpenQA.Selenium.Remote;
    using OpenQA.Selenium.Support.UI;

    namespace csharp_selenium_lambdatest
    {
        class SingleTest
        {
            public static void execute()
            {
                // Update your lambdatest credentials
                String LT_USERNAME = GetEnvironmentVariable("LT_USERNAME");
                String LT_ACCESS_KEY =  GetEnvironmentVariable("LT_ACCESS_KEY");
                IWebDriver driver;
                ChromeOptions capabilities = new ChromeOptions();
                capabilities.BrowserVersion = "latest";
                Dictionary<string, object> ltOptions = new Dictionary<string, object>();
                ltOptions.Add("username", LT_USERNAME);
                ltOptions.Add("accessKey", LT_ACCESS_KEY);
                ltOptions.Add("platformName", "Windows 10");
                ltOptions.Add("project", "Demo LT");
                ltOptions.Add("build", "C# Build");
                ltOptions.Add("sessionName", "C# Single Test");
                ltOptions.Add("w3c", true);
                ltOptions.Add("plugin", "c#-c#");
                capabilities.AddAdditionalOption("LT:Options", ltOptions);

                driver = new RemoteWebDriver(new Uri("https://hub.lambdatest.com/wd/hub/"), capabilities);
                WebDriverWait wait = new WebDriverWait(driver, TimeSpan.FromSeconds(10));
                try
                {
                      Console.WriteLine("Navigating to todos app.");
                    driver.Navigate().GoToUrl("https://lambdatest.github.io/sample-todo-app/");

                    driver.FindElement(By.Name("li4")).Click();
                    Console.WriteLine("Clicking Checkbox");
                    driver.FindElement(By.Name("li5")).Click();

                    // If both clicks worked, then te following List should have length 2
                    IList<IWebElement> elems = driver.FindElements(By.ClassName("done-true"));
                    // so we"ll assert that this is correct.
                    if (elems.Count != 2)
                        throw new Exception();

                    Console.WriteLine("Entering Text");
                    driver.FindElement(By.Id("sampletodotext")).SendKeys("Yey, Let's add it to list");
                    driver.FindElement(By.Id("addbutton")).Click();

                    // lets also assert that the new todo we added is in the list
                    string spanText = driver.FindElement(By.XPath("/html/body/div/div/div/ul/li[6]/span")).Text;
                    if (!"Yey, Let's add it to list".Equals(spanText))
                        throw new Exception();
                    ((IJavaScriptExecutor)driver).ExecuteScript("lambda-status=passed");
                }
                catch
                {
                    ((IJavaScriptExecutor)driver).ExecuteScript("lambda-status=failed");
                }
                finally{  
                driver.Quit();
                }
            }
        }
    }